/*
 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * This software is open source.
 * See the bottom of this file for the licence.
 */

package com.googlecode.bluetools.dom4j.dom;

import org.w3c.dom.Attr;
import org.w3c.dom.DOMException;
import org.w3c.dom.Node;

/**
 * <p>
 * <code>DOMAttributeNodeMap</code> implements a W3C NameNodeMap for the attributes of an element.
 * </p>
 * 
 * @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
 * @version $Revision: 1.1 $
 */
public class DOMAttributeNodeMap implements org.w3c.dom.NamedNodeMap {
	private DOMElement element;

	public DOMAttributeNodeMap(DOMElement element) {
		this.element = element;
	}

	// org.w3c.dom.NamedNodeMap interface
	// -------------------------------------------------------------------------
	public void foo() throws DOMException {
		DOMNodeHelper.notSupported();
	}

	public Node getNamedItem(String name) {
		return element.getAttributeNode(name);
	}

	public Node setNamedItem(Node arg) throws DOMException {
		if (arg instanceof Attr) {
			return element.setAttributeNode((org.w3c.dom.Attr) arg);
		}
		else {
			throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Node is not an Attr: " + arg);
		}
	}

	public Node removeNamedItem(String name) throws DOMException {
		org.w3c.dom.Attr attr = element.getAttributeNode(name);

		if (attr == null) {
			throw new DOMException(DOMException.NOT_FOUND_ERR, "No attribute named " + name);
		}

		return element.removeAttributeNode(attr);
	}

	public Node item(int index) {
		return DOMNodeHelper.asDOMAttr(element.attribute(index));
	}

	public int getLength() {
		return element.attributeCount();
	}

	public Node getNamedItemNS(String namespaceURI, String localName) {
		return element.getAttributeNodeNS(namespaceURI, localName);
	}

	public Node setNamedItemNS(Node arg) throws DOMException {
		if (arg instanceof Attr) {
			return element.setAttributeNodeNS((org.w3c.dom.Attr) arg);
		}
		else {
			throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Node is not an Attr: " + arg);
		}
	}

	public Node removeNamedItemNS(String namespaceURI, String localName) throws DOMException {
		org.w3c.dom.Attr attr = element.getAttributeNodeNS(namespaceURI, localName);

		if (attr != null) {
			return element.removeAttributeNode(attr);
		}

		return attr;
	}
}

/*
 * Redistribution and use of this software and associated documentation ("Software"), with or without modification, are
 * permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain copyright statements and notices. Redistributions must also contain a
 * copy of this document.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
 * following disclaimer in the documentation and/or other materials provided with the distribution.
 * 
 * 3. The name "DOM4J" must not be used to endorse or promote products derived from this Software without prior written
 * permission of MetaStuff, Ltd. For written permission, please contact dom4j-info@metastuff.com.
 * 
 * 4. Products derived from this Software may not be called "DOM4J" nor may "DOM4J" appear in their names without prior
 * written permission of MetaStuff, Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
 * 
 * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
 * 
 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
 */
